bcsub
(PHP 4, PHP 5)
bcsub — Subtract one arbitrary precision number from another
Description
string bcsub
( string
$left_operand
, string $right_operand
[, int $scale
] )
Subtracts the right_operand from the
left_operand.
Parameters
-
left_operand -
The left operand, as a string.
-
right_operand -
The right operand, as a string.
-
scale -
This optional parameter is used to set the number of digits after the decimal place in the result. You can also set the global default scale for all functions by using bcscale().
Return Values
The result of the subtraction, as a string.
Examples
Example #1 bcsub() example
<?php
$a = '1.234';
$b = '5';
echo bcsub($a, $b); // -3
echo bcsub($a, $b, 4); // -3.7660
?>
0044 203 3971 555 (UK)